Structure details (Krogh Andersen et al., 1991): SrF7(H2O)2 and AlF4(OH)2 polyhedra link to form puckered layers || (010). One Sr polyhedron links to three other polyhedrons. Structure differs from that of tikhonenkovite in type of this connection, which is two edge connections and one apex sharing against one edge and two apex connections in tikhonenkovite.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality.
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- This locality has map coordinates listed. - This locality has estimated coordinates.ⓘ - Click for further information on this occurrence.? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant.(TL) - Type Locality for a valid mineral species.(FRL) - First Recorded Locality for everything else (eg varieties).Struck out - Mineral was erroneously reported from this locality.Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.